538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c

Analysis

max time kernel
154s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2022 20:36

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General

Target

538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c.exe
Size

159KB
MD5

064ebe71f38e74f01f760c927a820e00
SHA1

665753880b59faab50ea372cdc53b703148eb69e
SHA256

538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c
SHA512

fa8c85778e5b10eaf45aa8ad9dfb887f3d9b9132f37091fe209f86f64436a30accbba1e5378cf41db08c3d8bbd9ead697b161b7b38472a27d378256b0bd05897
SSDEEP

3072:7hlW2hYZVSmFm7TfRCcdXHwjNIO2BQuKZzBw26Y:7ht+VrzcNHeIr41w8

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B39A7A81-7132-4D67-B189-AB929DB00154}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{7D792538-109A-45DF-88FE-AA0BD1B9B750}.catalogItem	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4580 4348 WerFault.exe 538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c.exe

pid	pid_target	process	target process
4580	4348	WerFault.exe	538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

C:\Users\Admin\AppData\Local\Temp\538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c.exe
"C:\Users\Admin\AppData\Local\Temp\538837d458c47ec4f535032e653d57402b19b750f70bc958f6f051596b81979c.exe"
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 252
2⤵
- Program crash
PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4348 -ip 4348
1⤵
PID:1008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:3876

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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